Slider block for moving an article along a rail



FIG. 1 is a top isometric view of a slider block for moving an article along a rail;

FIG. 2 is a bottom isometric view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being identical;

FIG. 4 is a right side elevational view thereof, the left side elevational view being identical;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

CLAIM The ornamental design for a slider block for moving an article along a rail, as shown and described. 